You'd never keep someone made of liquid in a cage.
I've seen Xmen 2, I'm an expert.
( Bud Muhnquai Update your profile or fuck off, Thu 28 Aug 2008, 13:27, archived)

How about a sort of sealed fishtank?
with tiny holes that are way to high for the liquid people to reach them, through which we could feed them etc.
( WormuIus, Thu 28 Aug 2008, 13:30, archived)

Use a tube
Or don't feed them.
( Pickle Fairy is clumsily dancing away this fear, Thu 28 Aug 2008, 13:32, archived)

I would want to prolong the pleasure for the viewers as long as possible
feeding would be required.
( WormuIus, Thu 28 Aug 2008, 13:35, archived)